19306472135 has 8 divisors (see below), whose sum is σ = 23208344016. Its totient is φ = 15418126080.

The previous prime is 19306472111. The next prime is 19306472149. The reversal of 19306472135 is 53127460391.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 19306472135 - 2²² = 19302277831 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 19306472092 and 19306472101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3378314 + ... + 3384023.

It is an arithmetic number, because the mean of its divisors is an integer number (2901043002).

Almost surely, 2^19306472135 is an apocalyptic number.

19306472135 is a deficient number, since it is larger than the sum of its proper divisors (3901871881).

19306472135 is an equidigital number, since it uses as much as digits as its factorization.

19306472135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6762913.

The product of its (nonzero) digits is 136080, while the sum is 41.

The spelling of 19306472135 in words is "nineteen billion, three hundred six million, four hundred seventy-two thousand, one hundred thirty-five".